937657-16-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 937657-16-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,3,7,6,5 and 7 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 937657-16:
(8*9)+(7*3)+(6*7)+(5*6)+(4*5)+(3*7)+(2*1)+(1*6)=214
214 % 10 = 4
So 937657-16-4 is a valid CAS Registry Number.